It's not something I've seen in a textbook or any description of English grammar (these are always by necessity incomplete, so I do not trust them to describe the whole language in its fulness).
But it seems to me, you can repeat the adjective in English if you despise the trait the adjective describes. I have sometimes heard natives do this. Like this:
I think we need to seal up those drafty, drafty windows.
Why would you buy such a scrawny, scrawny dog?
Am I right by this analysis?
But I know, it's not the full story, because sometimes it simply does not hold. I had the inkling, so to test this out I said:
I see her going out late at night in that indecorous, indecorous skirt.
This sentence does not appear to sit well with English speakers.
Is there a reason for this?